ES2332563A1 - Dissolving procedure of solvent through thermodynamic thermal solar energy. (Machine-translation by Google Translate, not legally binding) - Google Patents
Dissolving procedure of solvent through thermodynamic thermal solar energy. (Machine-translation by Google Translate, not legally binding) Download PDFInfo
- Publication number
- ES2332563A1 ES2332563A1 ES200800800A ES200800800A ES2332563A1 ES 2332563 A1 ES2332563 A1 ES 2332563A1 ES 200800800 A ES200800800 A ES 200800800A ES 200800800 A ES200800800 A ES 200800800A ES 2332563 A1 ES2332563 A1 ES 2332563A1
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- thermodynamic
- solvent
- solar
- distillation
- installation
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- 239000002904 solvent Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims description 7
- 238000004821 distillation Methods 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 238000009835 boiling Methods 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 claims description 6
- 230000008901 benefit Effects 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 3
- 239000013529 heat transfer fluid Substances 0.000 claims 3
- 241001122767 Theaceae Species 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/90—Solar heat collectors using working fluids using internal thermosiphonic circulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
-
- F24J2/32—
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Procedimiento de destilación de disolvente mediante energía solar térmica termodinámica.Solvent Distillation Procedure by thermodynamic solar thermal energy.
La presente invención está relacionada con el aprovechamiento de las energías renovables, principalmente la energía solar, para llevar a cabo la destilación de disolventes, teniendo su aplicación dentro del campo de la fabricación de máquinas auxiliares para la industria.The present invention is related to the use of renewable energy, mainly the solar energy, to carry out the distillation of solvents, having its application within the field of manufacturing auxiliary machines for the industry.
Son sobradamente conocidos en el estado actual de la técnica, los equipos recuperadores de disolventes mediante destilación, que constan de un calderín donde se deposita la mezcla a separar, y en los que la principal fuente de energía térmica suelen ser resistencias eléctricas o bombas de calor. Aunque de menor grado en éstos últimos, los destiladores de disolventes se caracterizan por un elevado consumo energético.They are well known in the current state of the technique, solvent recovery equipment by distillation, consisting of a boiler where the mixture is deposited to separate, and in which the main source of thermal energy They are usually electrical resistors or heat pumps. Although of lower degree in the latter, solvent distillers are characterized by high energy consumption.
Son igualmente conocidos los evaporadores que generan mediante una bomba condiciones de vacío en el calderín, logrando de este modo la disminución de la temperatura de ebullición de los disolventes, y disminuyendo por tanto, las necesidades energéticas de los mismos.Evaporators that are also known are generate vacuum conditions in the boiler using a pump, thus achieving the decrease in the temperature of boiling of the solvents, and therefore decreasing, the energy needs of them.
Asimismo, son conocidos los captadores solares térmicos termodinámicos, desarrollados en el modelo de utilidad U200600526 del mismo inventor, los cuales constan de un captador solar térmico apoyado por un sistema solar termodinámico para los momentos de escasa o nula radiación solar, consistiendo dicho sistema termodinámico en un equipo de compresión cuyo condensador se encargará de calentar el agua y su evaporador estará constituido por un panel de aluminio de tipo roll-bond situado en la parte trasera del captador térmico, con un circuito interior por el que circulará el refrigerante, de modo que al presentar una gran superficie expuesta a las condiciones ambientales la evaporación de fluido refrigerante se llevará a cabo de forma eficiente, disminuyéndose el consumo del equipo de compresión y resultando por tanto, un sistema de captación solar de alto rendimiento y bajo consumo.Also, solar collectors are known thermal thermodynamics, developed in the utility model U200600526 of the same inventor, which consist of a sensor solar thermal system supported by a thermodynamic solar system for moments of little or no solar radiation, said thermodynamic system in a compression device whose condenser will be responsible for heating the water and its evaporator will be constituted by a roll-bond aluminum panel located at the rear of the thermal sensor, with an internal circuit through which the refrigerant will circulate, so that when presenting a large area exposed to environmental conditions the evaporation of refrigerant fluid will be carried out in a manner efficient, reducing the consumption of compression equipment and resulting, therefore, a high solar collection system Performance and low consumption.
Sin embargo, el inventor no tiene conocimiento alguno de un dispositivo como el que presenta esta solicitud, que integra los equipos recuperadores de disolvente alimentados por la energía obtenida de los captadores térmicos termodinámicos y ayudados además por otras fuentes de energía renovable. Además presenta el beneficio de podrá utilizarse parte del evaporador del sistema termodinámico para condensar los vapores de disolvente, sin necesidad de incorporar ningún sistema de enfriamiento adicional, con el consiguiente ahorro energético.However, the inventor has no knowledge any of a device like the one presenting this application, which integrates solvent recovery equipment powered by the energy obtained from thermodynamic thermal collectors and also helped by other renewable energy sources. further it has the benefit that part of the evaporator of the thermodynamic system to condense solvent vapors, without need to incorporate any additional cooling system, with the consequent energy saving.
Igualmente, que este destilador podrá configurar una planta íntegra de tratamiento de disolvente a gran escala.Likewise, this distiller can configure a full-scale solvent treatment plant.
Por tanto, este dispositivo presenta la ventaja de constituir un sistema de reciclado de disolventes capaz de aprovechar la energía solar y ambiental para su funcionamiento, logrando un equipo de bajo consumo, lo que ligado a las ventajas económicas y ecológicas que de por sí aporta un recuperador de disolventes a la industria, da lugar a un sistema de alta eficiencia energética, muy ventajoso frente a los métodos de destilación convencionales.Therefore, this device has the advantage of constituting a solvent recycling system capable of harness solar and environmental energy for its operation, achieving a low consumption equipment, which linked to the advantages economic and ecological that in itself provides a recuperator of solvents to the industry, gives rise to a high system energy efficiency, very advantageous compared to the methods of conventional distillation.
El objeto de la presente invención es un equipo desarrollado para recuperar disolventes mediante destilación, alimentado por energía solar térmica termodinámica, el cual presenta un consumo energético reducido al utilizar fundamentalmente fuentes de energía renovable.The object of the present invention is a device developed to recover solvents by distillation, powered by thermodynamic solar thermal energy, which it presents a reduced energy consumption when using primarily renewable energy sources.
El dispositivo se compone de un calderín, generalmente de acero inoxidable, en el que se vierte la mezcla a separar, el cual presenta una envolvente rellena de aceite diatérmico (pudiendo también contener agua caliente o vapor de agua) que será calefactada mediante captadores solares térmicos-termodinámicos, como principal fuente de aporte energético. Para obtener el máximo rendimiento posible a la instalación solar, se utilizará un depósito acumulador del fluido calefactor, el cual se mantendrá caliente para ser recirculado a través de la camisa.The device consists of a boiler, usually stainless steel, in which the mixture is poured into separate, which has an oil-filled envelope diathermic (may also contain hot water or water vapor) which will be heated by solar collectors thermal-thermodynamic, as the main source of Energy supply. To get the maximum possible performance at the solar installation, a fluid storage tank will be used heater, which will keep warm to be recirculated to Through the shirt
El depósito acumulador se precalentará con el sistema termodinámico, terminando de alcanzar la temperatura requerida para evaporar los disolventes de la mezcla gracias a los captadores solares térmicos. En caso de que la máxima temperatura alcanzada por el sistema térmico-termodinámico no sea suficiente se tendrá como apoyo una caldera de combustión de biomasa o gas natural. La caldera aportará la energía necesaria para la completa destilación.The accumulator tank will be preheated with the thermodynamic system, finishing reaching the temperature required to evaporate the solvents from the mixture thanks to the solar thermal collectors. In case the maximum temperature reached by the thermal-thermodynamic system no be sufficient a combustion boiler of biomass or natural gas. The boiler will provide the necessary energy For complete distillation.
Una vez que el calderín empieza a calentarse, los componentes más volátiles de la mezcla comenzarán a evaporarse. Una bomba de vacío situada en el sistema hará que decrezcan considerablemente los puntos de ebullición de los disolventes, lográndose que la demanda energética necesaria para la evaporación disminuya lo suficiente como para poder llevarla a cabo a partir de energía solar.Once the boiler starts to heat up, the most volatile components of the mixture will begin to evaporate. A vacuum pump located in the system will cause them to decay considerably the boiling points of solvents, achieving that the energy demand necessary for evaporation decrease enough to be able to carry it out from solar energy.
Los vapores de disolvente alcanzarán el intercambiador que actúa de evaporador del equipo termodinámico, donde en su interior el fluido refrigerante pasa de líquido a gas a consta de absorber el calor cedido por los vapores de disolvente. Los vapores de disolvente condensan, y se recogen en un depósito. El equipo termodinámico utilizará el calor captado en la condensación de los vapores de disolvente, para precalentar el aceite o fluido térmico. Una vez que el fluido refrigerante abandona el evaporador, alcanza los paneles termodinámicos situados en el exterior, para acabar la evaporación en caso de que ésta no haya podido tener lugar completamente en el intercambiador situado en el destilador, debido a las condiciones de operación.Solvent vapors will reach exchanger that acts as an evaporator of the thermodynamic equipment, where inside the refrigerant fluid passes from liquid to gas to It consists of absorbing the heat ceded by solvent vapors. The solvent vapors condense, and are collected in a tank. The thermodynamic equipment will use the heat captured in the condensation of solvent vapors, to preheat the oil or thermal fluid. Once the cooling fluid leave the evaporator, reach the thermodynamic panels located outside, to finish the evaporation in case it does not could have taken place completely in the exchanger located in the distiller, due to the operating conditions.
Asimismo, el condensador del equipo termodinámico contará con una unidad condensadora de tiro forzado situada a continuación del mismo, en su salida del depósito acumulador de fluido térmico, para que tenga lugar la condensación independientemente de la temperatura del depósito de acumulación.Also, the equipment condenser thermodynamic will feature a forced draft condensing unit located next to it, on its way out of the deposit thermal fluid accumulator, for condensation to take place regardless of the tank temperature of accumulation.
Una vez finalizado el proceso de destilación, se extraerán los residuos del calderín, quedando el sistema listo para ser utilizado de nuevo.Once the distillation process is finished, they will extract the waste from the boiler, leaving the system ready for be used again
Un sistema de control se encargará de regular adecuadamente el funcionamiento del equipo.A control system will regulate Properly functioning equipment.
La estética final de la invención aquí presentada, puede ser tan variada como diseños se quieran hacer de la misma manteniendo siempre los requisitos técnicos indispensables para su funcionamiento.The final aesthetics of the invention here presented, can be as varied as designs are to be made of it always maintaining the indispensable technical requirements for its funtionability.
Entendemos por tanto, que la mejora con elementos accesorios o diferentes formas del objeto que aquí se presenta no son elementos que vengan a crear de éste invento otro nuevo o distinto con suficiente novedad inventiva.We understand therefore that the improvement with accessory elements or different forms of the object here presents are not elements that come to create this invention another new or different with enough inventive novelty.
No se considera necesario hacer más extenso el contenido de esta descripción para que un experto en la materia pueda comprender su alcance y las ventajas derivadas de la invención, así como desarrollar y llevar a la práctica el objeto de la misma.It is not considered necessary to make the content of this description for a subject matter expert can understand its scope and the advantages derived from the invention, as well as develop and implement the object of the same.
Para completar la descripción que se está realizando y con objeto de ayudar a una mejor compresión de las peculiaridades del destilador de disolvente solar térmico termodinámico que proponemos, se acompaña a la presente memoria descriptiva, como parte integrante de la misma, de las siguientes figuras:To complete the description that is being performing and in order to help better compression of peculiarities of the thermal solar solvent distiller thermodynamic that we propose, is accompanied by this report Descriptive, as an integral part thereof, of the following figures:
Figura 1, en la que se ha representado un esquema del destilador de disolvente térmico termodinámico.Figure 1, in which a scheme of thermodynamic thermal solvent distiller.
La descripción detallada de la realización preferida del procedimiento de la presente invención y de los elementos que lo componen, se realiza a la vista de la figura 1, la cual muestra los elementos que constituyen el destilador de disolvente solar térmico termodinámico, que son en primer lugar, el captador térmico termodinámico (17) formado por un captador solar térmico (1) en cuya parte trasera se encuentra un panel termodinámico (2) de tipo roll bond. La energía solar recogida por el captador solar térmico calentará el depósito acumulador (4) de aceite diatérmico a través de un serpentín intercambiador (16), logrando acumular toda la energía posible durante las horas de sol para ser utilizada cuando sea necesario. Debido a que las temperaturas para la destilación suelen ser elevadas, el sistema de calentamiento de aceite irá apoyado por una caldera de combustión de biomasa (12), logrando evitar al máximo el uso de combustibles fósiles. El aceite una vez calentado será recirculado hacia una camisa (15) que rodea el calderín (3), aportando a través de toda su superficie la energía necesaria para la destilación. En el calderín se introduce la mezcla a destilar, a través de su entrada (10). La evaporación del disolvente tendrá lugar cuando se alcance la temperatura de ebullición del mismo. Una bomba de vacío (13) situada en el equipo se ocupará de crear la depresión necesaria para disminuir el punto de ebullición de los componentes que interesa separar, reduciendo así mismo el aporte energético necesario para el calentamiento del aceite. Una vez destilado, los vapores de disolvente alcanzan el intercambiador que actúa como evaporador (9) del equipo termodinámico, el cual se encuentra a baja temperatura, haciendo que los vapores condensen, y se recupere el disolvente separado en un depósito (14) situado a continuación. El calor cedido en la condensación del disolvente hace evaporar el fluido refrigerante que circula por el interior del intercambiador (9), este fluido alcanza el panel termodinámico (2) exterior para finalizar su proceso de evaporación, en caso de que el intercambio sufrido en el interior del destilador no sea suficiente. Una vez en estado gaseoso es aspirado por el compresor (5) del grupo termodinámico (18) e impulsado hacia el depósito de aceite, a alta presión y temperatura, donde condensa en un intercambiador (7), aportando esta energía al aceite térmico. En caso de que las condiciones de operación no lo permitan, y la condensación no finalice en el depósito, una unidad condensadora (8) exterior, de tiro forzado, se ocupará de hacer que el gas refrigerante termine de pasar a estado líquido antes de alcanzar la válvula de expansión (6), que cierra el ciclo.The detailed description of the embodiment preferred of the process of the present invention and of the elements that compose it, it is done in view of figure 1, the which shows the elements that constitute the distiller of thermodynamic thermal solar solvent, which are first, the thermodynamic thermal collector (17) formed by a solar collector thermal (1) in whose back is a panel thermodynamic (2) roll bond type. Solar energy collected by the solar thermal collector will heat the accumulator tank (4) of diathermic oil through an exchanger coil (16), managing to accumulate all the possible energy during sunny hours to be used when necessary. Because the distillation temperatures are usually high, the system of oil heating will be supported by a combustion boiler of biomass (12), managing to avoid the maximum use of fuels fossils Once heated oil will be recirculated to a shirt (15) that surrounds the boiler (3), contributing throughout its entire surface the energy needed for distillation. In the boiler the mixture to be distilled is introduced, through its inlet (10). The evaporation of the solvent will take place when the boiling temperature thereof. A vacuum pump (13) located in the team will take care of creating the depression necessary to decrease the boiling point of the components of interest separate, also reducing the energy input needed to oil heating. Once distilled, the vapors of solvent reach the exchanger that acts as an evaporator (9) of thermodynamic equipment, which is at low temperature, causing the vapors to condense, and the solvent is recovered separated in a tank (14) located below. The heat ceded in the condensation of the solvent evaporates the fluid refrigerant circulating inside the exchanger (9), this fluid reaches the outer thermodynamic panel (2) to finish its evaporation process, in case the exchange suffered inside the distiller is not enough. Once in gaseous state is aspirated by the compressor (5) of the group thermodynamic (18) and driven towards the oil tank, at high pressure and temperature, where it condenses in an exchanger (7), contributing this energy to the thermal oil. In case the operating conditions do not allow it, and condensation does not finish in the tank, an external condensing unit (8), of forced draft, will take care of making the refrigerant gas finish go to liquid state before reaching the expansion valve (6), which closes the cycle.
Una vez destilada la mezcla inicial, se evacua el residuo seco a través de la salida del calderín (11), quedando limpio el equipo gracias a un rascador automático (19) y por tanto, quedando listo para comenzar una nueva etapa de separación.Once the initial mixture is distilled, it is evacuated the dry residue through the outlet of the boiler (11), leaving clean the equipment thanks to an automatic scraper (19) and therefore, being ready to start a new stage of separation.
Claims (5)
te.3. Installation for solvent distillation by thermodynamic solar thermal energy, dependent on claim 2, and characterized by having a forced draft condensing unit (8) to aid in the condensation of the gas, in case it cannot take place in the oil tank
tea.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200800800A ES2332563B1 (en) | 2008-03-18 | 2008-03-18 | DISSOLVENT DISTILLATION PROCEDURE THROUGH SOLAR ENERGY THERMODYNAMIC THERMAL. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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ES200800800A ES2332563B1 (en) | 2008-03-18 | 2008-03-18 | DISSOLVENT DISTILLATION PROCEDURE THROUGH SOLAR ENERGY THERMODYNAMIC THERMAL. |
Publications (2)
Publication Number | Publication Date |
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ES2332563A1 true ES2332563A1 (en) | 2010-02-08 |
ES2332563B1 ES2332563B1 (en) | 2011-01-03 |
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ES200800800A Expired - Fee Related ES2332563B1 (en) | 2008-03-18 | 2008-03-18 | DISSOLVENT DISTILLATION PROCEDURE THROUGH SOLAR ENERGY THERMODYNAMIC THERMAL. |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106318416A (en) * | 2015-06-25 | 2017-01-11 | 中国电力工程顾问集团有限公司 | Baking device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4324228A (en) * | 1980-08-11 | 1982-04-13 | Paul Shippee | Solar heating apparatus |
WO1982003677A1 (en) * | 1981-04-13 | 1982-10-28 | Corp Altas | Jacketed tank hermetic drain-back solar water heating system |
US4929312A (en) * | 1988-01-27 | 1990-05-29 | Westcott Robert D | Solvent recovery apparatus and method |
WO1998020952A1 (en) * | 1996-11-14 | 1998-05-22 | Lubrications Systems Company | Method and apparatus for vacuum distillation of solvents |
ES2292364A1 (en) * | 2006-11-10 | 2008-03-01 | S.L. Internacional Macral De Baños | Solar collector for use with double thermodynamic thermal circuit for cold and heat production, is formed by two welded plates defining two independent internal circuits and water flows through one of circuits of solar collector |
-
2008
- 2008-03-18 ES ES200800800A patent/ES2332563B1/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4324228A (en) * | 1980-08-11 | 1982-04-13 | Paul Shippee | Solar heating apparatus |
WO1982003677A1 (en) * | 1981-04-13 | 1982-10-28 | Corp Altas | Jacketed tank hermetic drain-back solar water heating system |
US4929312A (en) * | 1988-01-27 | 1990-05-29 | Westcott Robert D | Solvent recovery apparatus and method |
WO1998020952A1 (en) * | 1996-11-14 | 1998-05-22 | Lubrications Systems Company | Method and apparatus for vacuum distillation of solvents |
ES2292364A1 (en) * | 2006-11-10 | 2008-03-01 | S.L. Internacional Macral De Baños | Solar collector for use with double thermodynamic thermal circuit for cold and heat production, is formed by two welded plates defining two independent internal circuits and water flows through one of circuits of solar collector |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106318416A (en) * | 2015-06-25 | 2017-01-11 | 中国电力工程顾问集团有限公司 | Baking device |
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ES2332563B1 (en) | 2011-01-03 |
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